Monticello ZIP Code List — Sierra County, NM

There is one unique ZIP code in Monticello, New Mexico and it is 87939. Area code: 575.

ZIP codes

232.93

sq mi land

0.00

sq mi water

575

area code

Monticello, NM ZIP code map

About Monticello, NM

Monticello is a small community located in Sierra County, New Mexico. Known for its serene landscapes and rural charm, it embodies the essence of Southwestern living. The area's rich cultural heritage and proximity to natural attractions make it a unique place to visit or live.

Location & geography

Monticello is situated in the southern part of New Mexico, surrounded by beautiful desert terrain and mountains. Nearby cities include Truth or Consequences, approximately 24 miles to the northwest, and Elephant Butte, about 20 miles to the northwest as well. The city covers a substantial land area of 232.93 square miles with no water area present.

Community & economy

The character of Monticello is reflective of a close-knit, rural community where residents often know one another. Agriculture and tourism are significant industries, contributing to the local economy. Daily life in Monticello is relaxed and connected to nature, with many outdoor recreational activities available for residents and visitors.

Transportation

Monticello can be accessed primarily via State Highway 52, which runs through the area. The nearest major airport is located in Truth or Consequences, offering convenient options for regional travel.

History

Monticello's founding dates back to the early 20th century, establishing itself as a vital part of Sierra County. Historically, the area has been associated with agricultural production and has seen a growth in tourism, particularly due to its proximity to local attractions. Notable events include the development of local festivals celebrating the rich cultural heritage of the region.

Did you know?

One surprising fact about Monticello is that it provides a gateway to various outdoor activities, including hiking and bird watching, due to its expansive landscapes. Additionally, the region is home to historical sites that reflect New Mexico's diverse cultural history.

ZIP codes for Monticello, NM (1)

ZIP code	City	County	Map
87939	Monticello	Sierra	View map

Demographics & statistics

267

Population

63.1

Median age

$111,004

Median household income

$66,145

Per capita income

$372,900

Median home value

Median monthly rent

100.0%

Home ownership

0.0%

Poverty rate

0.0%

Unemployment

200

Housing units

40.3%

Bachelor's or higher

Age distribution

Male Female

15–19

112

60–64

85+

← Male

Female →

Age summary

Group	Count	%
Under 18	56	21.0%
18 and over	211	79.0%
65 and over	16	6.0%
Median age	63.1 years

Race & ethnicity

White 100%

Group	Count	%
White	267	100%

Household income

$35k–$50k 32.0%

$100k–$150k 44.8%

$200k+ 23.2%

Range	% of households
$35k–$50k	32.0%
$100k–$150k	44.8%
$200k+	23.2%
Median income	$111,004

Housing

Home values

$50k–$100k 12.8%

$200k–$300k 23.2%

$300k–$500k 19.2%

$500k–$1M 44.8%

Housing overview

Metric	Value
Median home value	$372,900
Median rent / month	$0
Owner occupied	100.0%
Renter occupied	0.0%
Vacant	37.5%
Single-family detached	77.0%
Large apartment buildings	0.0%
Mobile homes	23.0%
Median rooms	5.3
Avg household size (owned)	2.14

Year built

Era	%
2020 or later	0.0%
2010–2019	0.0%
2000–2009	11.0%
1990–1999	33.5%
1980–1989	26.5%
1970–1979	0.0%
1960–1969	0.0%
1950–1959	17.0%
1940–1949	0.0%
1939 or earlier	12.0%

Bedrooms

Size	% of units
No bedroom (studio)	0.0%
1 bedroom	8.0%
2 bedrooms	62.5%
3 bedrooms	29.5%
4 bedrooms	0.0%
5+ bedrooms	0.0%

Vehicles per household

Vehicles	% of households
No vehicle	0.0%
1 vehicle	12.8%
2 vehicles	68.0%
3 or more	19.2%

Heating fuel

Fuel type	%
Electricity	76.8%
Propane / LP gas	23.2%

Households & families

Household type	Count	%
Married-couple family	80	64.0%
Cohabiting couple	0	0.0%
Male householder, no spouse	0	0.0%
Female householder, no spouse	45	36.0%
Households with children under 18	29	23.2%
Households with seniors (65+)	16	12.8%
Average household size	2.14

Marital status

Status	Male	Female
Never married	36.6%	25.4%
Married	63.4%	60.5%
Separated	0.0%	0.0%
Widowed	0.0%	14.0%
Divorced	0.0%	0.0%

Education

Less than 9th grade 0.0%

Some HS, no diploma 0.0%

HS graduate 0.0%

Some college, no degree 48.3%

Associate's degree 11.4%

Bachelor's degree 0.0%

Graduate / professional 40.3%

Metric	%
HS diploma or higher	100.0%
Bachelor's or higher	40.3%

School enrollment (ages 3–17)

Type	Count	%
Nursery / preschool	0	0.0%
Kindergarten	0	0.0%
Elementary school	0	0.0%
High school	56	100.0%
College / grad school	0	0.0%

Employment

Industry of employment

Agriculture & mining 69.1%

Manufacturing 30.9%

Occupation

Category	%
Management, business & arts	100.0%
Service	0.0%
Sales & office	0.0%
Natural resources & construction	0.0%
Production & transportation	0.0%

Employment type

Type	%
Private sector	30.9%
Government	0.0%
Self-employed	69.1%
Unpaid family workers	0.0%

Commute

Method	%
Drive alone	25.5%
Carpool	0.0%
Public transit	0.0%
Walk	0.0%
Other means	0.0%
Avg commute (minutes)	0.0

Poverty

All people 0.0%

Under 18 years 0.0%

18 and over 0.0%

Married-couple families 0.0%

Female-led households 0.0%

Income support

Source	% of households
Social Security	32.0%
Retirement income	0.0%
Supplemental Security	0.0%
Cash public assistance	0.0%
Food stamps / SNAP	0.0%

Health indicators

Condition	%
High blood pressure	43.3%
High cholesterol	39.9%
Heart disease	11.1%
Stroke	5.2%
Asthma	10.3%
Arthritis	37.2%
Kidney disease	4.9%
Pulmonary disease	10.7%
Cancer	9.9%

Behavior / access	%
Binge drinking	10.1%
No physical activity	24.7%
Less than 7 hrs sleep	31.3%
Fair or poor health	18.8%
Poor mental health	12.6%
Poor physical health	14.4%
No health insurance	8.5%
Visited doctor (checkup)	73.6%
Visited dentist	61.5%
Cholesterol screening	93.4%
Teeth loss	16.1%

Veterans & disability

Veterans	Count	%
Civilian veterans	41	19.4%

Disability	%
Any disability	16.9%
Under 18	0.0%
18–64 years	14.9%
65 and over	100.0%

Health insurance coverage

Type	%
Private insurance	94.0%
Public insurance	21.3%
Uninsured under 19	0.0%

Language & origin

Language spoken at home (age 5+)

Language	Count	%
English only	267	100.0%
Spanish	0	0.0%
Other Indo-European	0	0.0%
Asian & Pacific Islander	0	0.0%
Other languages	0	0.0%

Place of birth & citizenship

Origin	Count	%
Native born (US)	211	79.0%
Born in same state	211	79.0%
Born in different state	53	19.9%
Foreign born	0	0.0%
Naturalized citizen	56	21.0%
Not a US citizen	56	100.0%

Ancestry

Ancestry	Count	%
Italian	109	40.8%

Technology access

Metric	% of households
Computer access	46.8%
Internet access	100.0%

Source: U.S. Census Bureau, American Community Survey 2025 estimates.

Frequently asked questions

What is the ZIP code for Monticello, NM?

Monticello, NM has one ZIP code: 87939.

What is the main ZIP code for Monticello, NM?

The primary ZIP code for Monticello, NM is 87939. The city uses area code 575 for phone service.

What county is Monticello, NM in?

Monticello is located in Sierra County, New Mexico.

How many ZIP codes are in Monticello, NM?

Monticello, NM has 1 ZIP code.

What ZIP code should I use when mailing packages to businesses in downtown Monticello, NM?

Downtown Monticello businesses use the ZIP code 87939, which serves the entire city and surrounding Sierra County area.

Is there a separate ZIP code for the Monticello area near the San Mateo Mountains, or do all local addresses use the same code?

All addresses in Monticello and the immediately surrounding area use the single ZIP code 87939, regardless of proximity to the San Mateo Mountains or other geographic features within the region.